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#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
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#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
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from numbers import Integral
from typing import List, TypeVar, Union

import pandas as pd
import pyarrow as pa

SlicesType = List[Union[None, Integral, slice]]

TimeoutType = Union[int, float, None]


ArrowTableType = Union[pa.Table, pa.RecordBatch]
PandasObjectTypes = Union[
    pd.DataFrame,
    pd.Series,
    pd.Index,
]

OperatorType = TypeVar("OperatorType")
TileableType = TypeVar("TileableType")
ChunkType = TypeVar("ChunkType")
EntityType = TypeVar("EntityType")
SessionType = TypeVar("SessionType")

ClusterType = TypeVar("ClusterType")
ClientType = TypeVar("ClientType")
